/* ParentYog — DLYog Lab Research Services LLC */

:root {
  --primary: #6D28D9;
  --primary-light: #7C3AED;
  --primary-dark: #5B21B6;
  --secondary: #F97316;
  --secondary-light: #FB923C;
  --accent: #10B981;
  --dark: #0F172A;
  --gray-900: #1E293B;
  --gray-700: #334155;
  --gray-500: #64748B;
  --gray-300: #CBD5E1;
  --gray-200: #E2E8F0;
  --gray-100: #F1F5F9;
  --white: #FFFFFF;
  --gradient-hero: linear-gradient(135deg, #3B0764 0%, #1E1B4B 50%, #0F172A 100%);
  --gradient-card: linear-gradient(135deg, #F5F3FF 0%, #EDE9FE 100%);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --ease: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--dark); background: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
h1,h2,h3,h4 { line-height: 1.25; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
p { line-height: 1.75; color: var(--gray-700); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--secondary); margin-bottom: 14px;
}
.section-label::before {
  content: ''; display: block; width: 20px; height: 2px;
  background: var(--secondary); border-radius: 2px;
}

/* === Buttons === */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius-md); font-family: var(--font);
  font-size: 1rem; font-weight: 600; cursor: pointer; border: none;
  transition: all var(--ease); text-decoration: none; white-space: nowrap;
}
.btn-primary { background: var(--secondary); color: var(--white); box-shadow: 0 4px 16px rgba(249,115,22,.35); }
.btn-primary:hover { background: var(--secondary-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(249,115,22,.45); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.45); }
.btn-outline:hover { background: rgba(255,255,255,.08); border-color: var(--white); transform: translateY(-2px); }
.btn-ghost { background: rgba(255,255,255,.06); color: var(--white); border: 1px solid rgba(255,255,255,.15); }
.btn-ghost:hover { background: rgba(255,255,255,.12); transform: translateY(-2px); }
.btn-lg { padding: 18px 36px; font-size: 1.05rem; border-radius: var(--radius-lg); }
.btn-full { width: 100%; }

/* === Navigation === */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(15,23,42,.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.07);
  transition: background var(--ease);
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; padding: 0 32px; max-width: 1280px; margin: 0 auto;
}
.nav-brand { display: flex; flex-direction: column; }
.nav-brand-name { font-size: 1.25rem; font-weight: 800; color: var(--white); letter-spacing: -0.03em; }
.nav-brand-name span { color: var(--secondary); }
.nav-brand-sub { font-size: 0.6rem; color: rgba(255,255,255,.4); letter-spacing: 0.1em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a { color: rgba(255,255,255,.7); font-size: 0.875rem; font-weight: 500; transition: color var(--ease); }
.nav-links a:hover { color: var(--white); }
.nav-cta { background: var(--secondary) !important; color: var(--white) !important; padding: 8px 18px; border-radius: var(--radius-sm); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: all var(--ease); }

/* === Hero === */
.hero {
  background: var(--gradient-hero); padding: 180px 0 120px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; left: -20%;
  width: 80%; height: 200%;
  background: radial-gradient(ellipse, rgba(109,40,217,.2) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -30%; right: -10%;
  width: 60%; height: 150%;
  background: radial-gradient(ellipse, rgba(249,115,22,.1) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(249,115,22,.12); border: 1px solid rgba(249,115,22,.3);
  color: var(--secondary-light); padding: 6px 16px; border-radius: 100px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em; margin-bottom: 28px;
}
.hero h1 { color: var(--white); font-weight: 800; max-width: 820px; line-height: 1.15; margin-bottom: 24px; }
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--secondary) 0%, #FCD34D 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub { font-size: 1.15rem; color: rgba(255,255,255,.75); max-width: 620px; line-height: 1.75; margin-bottom: 40px; }
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero-meta {
  display: flex; align-items: center; gap: 48px; margin-top: 72px;
  padding-top: 48px; border-top: 1px solid rgba(255,255,255,.1); flex-wrap: wrap;
}
.hero-meta-item { display: flex; flex-direction: column; }
.hero-meta-value { font-size: 2.2rem; font-weight: 800; color: var(--white); line-height: 1; }
.hero-meta-value span { font-size: 1.1rem; }
.hero-meta-label { font-size: 0.78rem; color: rgba(255,255,255,.5); margin-top: 4px; }

/* === Trust Bar === */
.trust-bar { background: var(--gray-100); padding: 20px 0; border-bottom: 1px solid var(--gray-200); }
.trust-bar-inner { display: flex; align-items: center; justify-content: center; gap: 40px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 8px; color: var(--gray-500); font-size: 0.82rem; font-weight: 600; }
.trust-item .dot { color: var(--accent); }

/* === Problem === */
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.problem-list { list-style: none; margin-top: 28px; display: flex; flex-direction: column; gap: 16px; }
.problem-list li { display: flex; gap: 14px; align-items: flex-start; font-size: 0.95rem; color: var(--gray-700); line-height: 1.5; }
.problem-list li::before { content: '→'; color: var(--secondary); font-weight: 700; flex-shrink: 0; margin-top: 1px; }
.stat-card { background: var(--gradient-card); border: 1px solid rgba(109,40,217,.1); border-radius: var(--radius-xl); padding: 40px; display: flex; flex-direction: column; gap: 28px; }
.stat-item { border-bottom: 1px solid rgba(109,40,217,.08); padding-bottom: 24px; }
.stat-item:last-child { border-bottom: none; padding-bottom: 0; }
.stat-value { font-size: 2.8rem; font-weight: 800; color: var(--primary); line-height: 1; }
.stat-label { color: var(--gray-700); margin-top: 6px; font-size: 0.88rem; }

/* === Story === */
.story-section { background: var(--gradient-hero); color: var(--white); position: relative; overflow: hidden; }
.story-section h2 { color: var(--white); }
.story-section p { color: rgba(255,255,255,.78); }
.story-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 80px; align-items: center; }
.story-quote { font-size: 1.2rem; color: var(--white) !important; font-style: italic; line-height: 1.7; border-left: 3px solid var(--secondary); padding-left: 24px; margin: 28px 0; }
.achievement-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.achievement-card { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-md); padding: 20px; transition: all var(--ease); }
.achievement-card:hover { background: rgba(255,255,255,.08); transform: translateY(-2px); }
.achievement-icon { font-size: 1.4rem; margin-bottom: 8px; }
.achievement-title { font-size: 0.85rem; font-weight: 700; color: var(--white); margin-bottom: 4px; }
.achievement-desc { font-size: 0.75rem; color: rgba(255,255,255,.5); line-height: 1.4; }

/* === Why Us === */
.whyus-section { background: var(--white); }
.whyus-intro { max-width: 720px; margin-bottom: 56px; }
.whyus-projects { display: flex; flex-direction: column; gap: 64px; }
.project-showcase { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.project-showcase.reverse { grid-template-columns: 1fr 1.05fr; direction: rtl; }
.project-showcase.reverse > * { direction: ltr; }
.project-img-wrap { position: relative; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-xl); }
.project-img-wrap img { width: 100%; height: auto; display: block; }
.project-img-badge {
  position: absolute; bottom: 16px; left: 16px;
  background: rgba(0,0,0,.72); backdrop-filter: blur(8px);
  color: var(--white); font-size: .72rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 100px;
  border: 1px solid rgba(255,255,255,.15);
}
.project-content { display: flex; flex-direction: column; }
.project-tag { display: inline-flex; align-items: center; gap: 8px; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--secondary); margin-bottom: 12px; }
.project-tag::before { content: ''; display: block; width: 16px; height: 2px; background: var(--secondary); border-radius: 2px; }
.project-content h3 { font-size: clamp(1.3rem,2.5vw,1.8rem); color: var(--dark); margin-bottom: 14px; }
.project-content p { font-size: .95rem; line-height: 1.8; margin-bottom: 14px; }
.project-stats { display: flex; flex-wrap: wrap; gap: 20px; margin: 20px 0; }
.project-stat { display: flex; flex-direction: column; }
.project-stat-value { font-size: 1.5rem; font-weight: 800; color: var(--primary); line-height: 1; }
.project-stat-label { font-size: .72rem; color: var(--gray-500); margin-top: 3px; }
.project-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-size: .875rem; font-weight: 700; text-decoration: none; border-bottom: 2px solid rgba(109,40,217,.25); padding-bottom: 2px; transition: all var(--ease); width: fit-content; margin-top: 6px; }
.project-link:hover { color: var(--primary-dark); border-color: var(--primary); }
.whyus-divider { height: 1px; background: var(--gray-200); }
.credentials-row { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 56px; justify-content: center; }
.credential-chip { display: flex; align-items: center; gap: 10px; background: var(--gray-100); border: 1px solid var(--gray-200); border-radius: 100px; padding: 10px 20px; font-size: .85rem; font-weight: 600; color: var(--gray-700); }
.credential-chip .chip-icon { font-size: 1.1rem; }

/* === Program Features === */
.program-section { background: var(--gray-100); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 48px; }
.feature-card { background: var(--white); border-radius: var(--radius-lg); padding: 32px 28px; border: 1px solid var(--gray-200); transition: all var(--ease); box-shadow: var(--shadow-sm); }
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: rgba(109,40,217,.15); }
.feature-icon { width: 52px; height: 52px; border-radius: var(--radius-sm); background: var(--gradient-card); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 18px; }
.feature-card h3 { font-size: 1.05rem; margin-bottom: 10px; color: var(--dark); }
.feature-card p { font-size: 0.875rem; }

/* === Curriculum === */
.curriculum-section { background: var(--white); }
.day-tabs { display: flex; gap: 12px; margin-bottom: 40px; }
.day-tab { padding: 10px 24px; border-radius: var(--radius-md); font-weight: 600; font-size: 0.875rem; cursor: pointer; border: 2px solid var(--gray-200); background: var(--white); color: var(--gray-500); transition: all var(--ease); }
.day-tab.active { background: var(--primary); color: var(--white); border-color: var(--primary); box-shadow: 0 4px 12px rgba(109,40,217,.3); }
.day-content { display: none; }
.day-content.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.timeline { display: flex; flex-direction: column; }
.timeline-item { display: grid; grid-template-columns: 110px 1fr; gap: 24px; position: relative; padding-bottom: 28px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before { content: ''; position: absolute; left: 54px; top: 28px; bottom: 0; width: 2px; background: var(--gray-200); }
.timeline-item:last-child::before { display: none; }
.timeline-time { font-size: 0.78rem; font-weight: 600; color: var(--gray-500); padding-top: 14px; text-align: right; line-height: 1.3; }
.timeline-body { background: var(--gray-100); border-radius: var(--radius-md); padding: 18px 22px; border-left: 3px solid var(--primary-light); }
.timeline-body.highlight { border-left-color: var(--secondary); background: rgba(249,115,22,.04); }
.timeline-body h4 { font-size: 0.95rem; color: var(--dark); margin-bottom: 4px; }
.timeline-body p { font-size: 0.82rem; color: var(--gray-500); line-height: 1.5; }
.timeline-tag { display: inline-block; padding: 2px 8px; background: rgba(109,40,217,.1); color: var(--primary); border-radius: 4px; font-size: 0.7rem; font-weight: 700; margin-top: 8px; letter-spacing: 0.04em; text-transform: uppercase; }
.timeline-tag.orange { background: rgba(249,115,22,.1); color: var(--secondary); }

/* === NVIDIA === */
.nvidia-section { background: #0A0F1E; color: var(--white); position: relative; overflow: hidden; }
.nvidia-section::before { content: ''; position: absolute; top: 0; right: 0; width: 50%; height: 100%; background: radial-gradient(ellipse at right, rgba(16,185,129,.07) 0%, transparent 70%); pointer-events: none; }
.nvidia-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.nvidia-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.3); color: #34D399; padding: 7px 16px; border-radius: 100px; font-size: 0.78rem; font-weight: 700; margin-bottom: 24px; letter-spacing: 0.04em; }
.nvidia-section h2 { color: var(--white); margin-bottom: 16px; }
.nvidia-section > .container > .nvidia-grid p { color: rgba(255,255,255,.7); }
.nvidia-features { display: flex; flex-direction: column; gap: 14px; margin-top: 28px; }
.nvidia-feature { display: flex; align-items: flex-start; gap: 14px; padding: 16px; background: rgba(255,255,255,.04); border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,.06); }
.nvidia-feature-icon { width: 36px; height: 36px; border-radius: 8px; background: rgba(16,185,129,.12); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1rem; }
.nvidia-feature-text h4 { color: var(--white); font-size: 0.9rem; margin-bottom: 3px; }
.nvidia-feature-text p { font-size: 0.8rem; color: rgba(255,255,255,.5) !important; line-height: 1.4; }
.nvidia-disclaimer { margin-top: 18px; padding: 12px 16px; background: rgba(249,115,22,.06); border: 1px solid rgba(249,115,22,.2); border-radius: var(--radius-sm); font-size: 0.78rem; color: rgba(255,255,255,.45); line-height: 1.6; }
.nvidia-specs { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.09); border-radius: var(--radius-xl); padding: 36px; }
.spec-row { display: flex; justify-content: space-between; align-items: center; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.05); }
.spec-row:last-child { border-bottom: none; }
.spec-label { font-size: 0.82rem; color: rgba(255,255,255,.45); }
.spec-value { font-size: 0.875rem; font-weight: 600; color: var(--white); }
.spec-value.green { color: #34D399; }

/* === Schedule === */
.schedule-section { background: var(--dark); }
.schedule-section .section-sub { color: rgba(255,255,255,.55); }
.schedule-section .section-sub strong { color: var(--secondary); }
.schedule-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; align-items: start; }
.schedule-week { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.09); border-radius: 14px; overflow: hidden; }
.schedule-week-header { padding: 18px 20px; display: flex; flex-direction: column; gap: 3px; }
.schedule-week-header.wk1  { background: linear-gradient(135deg,#3B0764,#5B21B6); }
.schedule-week-header.wk-home { background: linear-gradient(135deg,#064E3B,#065F46); }
.schedule-week-header.wk2  { background: linear-gradient(135deg,#7C2D12,#9A3412); }
.wk-label { font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; color: rgba(255,255,255,.6); font-weight: 700; }
.wk-title { font-size: 1.05rem; font-weight: 800; color: #fff; }
.wk-meta  { font-size: .72rem; color: rgba(255,255,255,.5); margin-top: 2px; }
.sched-table { width: 100%; border-collapse: collapse; }
.sched-table tbody tr { border-bottom: 1px solid rgba(255,255,255,.06); }
.sched-table tbody tr:last-child { border-bottom: none; }
.sched-table td { padding: 10px 14px; vertical-align: top; font-size: .8rem; color: rgba(255,255,255,.75); line-height: 1.5; }
.sched-table td.stime { white-space: nowrap; font-size: .7rem; font-weight: 700; color: rgba(255,255,255,.35); padding-right: 6px; width: 72px; padding-top: 12px; }
.sched-table td strong { color: rgba(255,255,255,.92); font-size: .82rem; display: block; margin-bottom: 1px; }
.sched-table td span { font-size: .74rem; color: rgba(255,255,255,.45); }
.sched-table tr.break-row td { background: rgba(255,255,255,.03); }
.sched-table tr.break-row strong { color: rgba(255,255,255,.4); font-size: .75rem; }
.sched-outcome { padding: 12px 14px; background: rgba(255,255,255,.05); font-size: .74rem; color: rgba(255,255,255,.5); line-height: 1.6; border-top: 1px solid rgba(255,255,255,.07); }
.sched-outcome strong { color: rgba(255,255,255,.7); }
.sched-note { text-align: center; margin-top: 28px; font-size: .8rem; color: rgba(255,255,255,.35); line-height: 1.7; }
.sched-note strong { color: rgba(255,255,255,.55); }
@media (max-width: 900px) {
  .schedule-grid { grid-template-columns: 1fr; }
}

/* === Pricing === */
.pricing-section { background: var(--gray-100); }
.pricing-grid { display: grid; grid-template-columns: 1fr 1.1fr 1fr; gap: 24px; align-items: start; }
.pricing-card { background: var(--white); border-radius: var(--radius-xl); padding: 36px 32px; border: 2px solid var(--gray-200); transition: all var(--ease); position: relative; }
.pricing-card:hover { box-shadow: var(--shadow-lg); }
.pricing-card.featured { border-color: var(--primary); box-shadow: 0 8px 32px rgba(109,40,217,.18); transform: scale(1.02); }
.pricing-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--primary); color: var(--white); padding: 4px 16px; border-radius: 100px; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.04em; white-space: nowrap; }
.pricing-name { font-size: 0.875rem; font-weight: 600; color: var(--gray-500); margin-bottom: 8px; }
.pricing-price { font-size: 3rem; font-weight: 800; color: var(--dark); line-height: 1; margin-bottom: 4px; }
.pricing-price sup { font-size: 1.4rem; vertical-align: top; margin-top: 10px; display: inline-block; }
.pricing-per { font-size: 0.82rem; color: var(--gray-500); margin-bottom: 24px; }
.pricing-divider { height: 1px; background: var(--gray-200); margin: 20px 0; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 11px; margin-bottom: 28px; }
.pricing-features li { display: flex; align-items: flex-start; gap: 9px; font-size: 0.875rem; color: var(--gray-700); line-height: 1.4; }
.check { color: var(--accent); flex-shrink: 0; margin-top: 1px; }
.dim { color: var(--gray-300); flex-shrink: 0; }
.pricing-note { text-align: center; color: var(--gray-500); font-size: 0.8rem; margin-top: 28px; line-height: 1.6; }

/* === Certification === */
.cert-section { background: var(--white); }
.cert-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.cert-preview {
  background: var(--gradient-hero); border-radius: var(--radius-xl); padding: 48px 36px;
  text-align: center; position: relative; overflow: hidden;
  border: 1px solid rgba(124,58,237,.3);
}
.cert-preview::before { content: ''; position: absolute; inset: 12px; border: 1px solid rgba(255,255,255,.12); border-radius: 16px; pointer-events: none; }
.cert-org { font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--secondary); font-weight: 700; margin-bottom: 12px; }
.cert-heading { color: rgba(255,255,255,.5); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 4px; font-weight: 500; }
.cert-title { color: var(--white); font-size: 1.5rem; font-weight: 800; margin-bottom: 6px; }
.cert-name { font-size: 1.8rem; color: #FCD34D; font-style: italic; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.15); padding-bottom: 12px; margin: 16px 0 12px; }
.cert-program { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,.45); margin-bottom: 20px; }
.cert-seals { display: flex; justify-content: center; gap: 24px; margin-top: 16px; }
.cert-seal { width: 50px; height: 50px; border-radius: 50%; border: 2px solid rgba(255,255,255,.18); display: flex; align-items: center; justify-content: center; font-size: 0.55rem; color: rgba(255,255,255,.45); text-align: center; line-height: 1.2; letter-spacing: 0.02em; padding: 6px; }
.cert-features { display: flex; flex-direction: column; gap: 24px; }
.cert-feature { display: flex; gap: 16px; align-items: flex-start; }
.cert-feature-icon { width: 48px; height: 48px; border-radius: var(--radius-sm); background: var(--gradient-card); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.cert-feature h4 { font-size: 0.95rem; color: var(--dark); margin-bottom: 4px; }
.cert-feature p { font-size: 0.85rem; line-height: 1.55; }

/* === Who === */
.who-section { background: var(--gray-100); }
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.audience-card { background: var(--white); border-radius: var(--radius-lg); padding: 32px; border: 1px solid var(--gray-200); transition: all var(--ease); }
.audience-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.audience-emoji { font-size: 2.5rem; margin-bottom: 14px; }
.audience-card h3 { font-size: 1.05rem; color: var(--dark); margin-bottom: 12px; }
.audience-list { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.audience-list li { display: flex; align-items: flex-start; gap: 8px; font-size: 0.85rem; color: var(--gray-700); line-height: 1.4; }
.audience-list li::before { content: '→'; color: var(--secondary); flex-shrink: 0; font-weight: 700; }
.not-for { background: rgba(249,115,22,.04); border: 1px solid rgba(249,115,22,.15); border-radius: var(--radius-md); padding: 20px 24px; margin-top: 40px; }
.not-for p { font-size: 0.875rem; color: var(--gray-600); line-height: 1.65; }
.not-for strong { color: var(--secondary); }

/* === FAQ === */
.faq-section { background: var(--white); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--gray-200); border-radius: var(--radius-md); overflow: hidden; transition: border-color var(--ease); }
.faq-item.open { border-color: rgba(109,40,217,.2); }
.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; cursor: pointer; user-select: none; }
.faq-question:hover { background: var(--gray-100); }
.faq-question h4 { font-size: 0.95rem; color: var(--dark); font-weight: 600; padding-right: 20px; line-height: 1.4; }
.faq-toggle { width: 28px; height: 28px; border-radius: 50%; background: var(--gray-100); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--primary); font-size: 1.1rem; font-weight: 700; transition: all var(--ease); line-height: 1; }
.faq-item.open .faq-toggle { background: var(--primary); color: var(--white); transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer-inner { padding: 0 22px 18px; color: var(--gray-600); font-size: 0.9rem; line-height: 1.75; border-top: 1px solid var(--gray-100); padding-top: 14px; }
.faq-item.open .faq-answer { max-height: 500px; }

/* === Interest Form === */
.interest-section { background: var(--gradient-hero); color: var(--white); position: relative; overflow: hidden; }
.interest-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 50%, rgba(109,40,217,.25) 0%, transparent 60%); pointer-events: none; }
.interest-section h2 { color: var(--white); }
.interest-section .section-desc { color: rgba(255,255,255,.72); font-size: 1.05rem; }
.interest-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.interest-info { padding-top: 12px; }
.interest-info h2 { margin-bottom: 16px; }
.interest-perks { list-style: none; display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.interest-perks li { display: flex; align-items: flex-start; gap: 12px; }
.perk-icon { width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }
.perk-text { display: flex; flex-direction: column; }
.perk-title { font-size: 0.9rem; font-weight: 600; color: var(--white); }
.perk-desc { font-size: 0.8rem; color: rgba(255,255,255,.55); line-height: 1.4; margin-top: 2px; }
.interest-form { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-xl); padding: 36px; backdrop-filter: blur(8px); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; color: rgba(255,255,255,.88); margin-bottom: 7px; }
.form-group label .req { color: var(--secondary); margin-left: 2px; }
.form-control { width: 100%; padding: 11px 14px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius-sm); color: var(--white); font-family: var(--font); font-size: 0.9rem; transition: all var(--ease); outline: none; }
.form-control::placeholder { color: rgba(255,255,255,.3); }
.form-control:focus { border-color: var(--secondary); background: rgba(255,255,255,.12); box-shadow: 0 0 0 3px rgba(249,115,22,.15); }
select.form-control { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='rgba(255,255,255,0.4)' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
select.form-control option { background: #1E1B4B; color: var(--white); }
textarea.form-control { resize: vertical; min-height: 90px; }
.checkbox-group { display: flex; flex-direction: column; gap: 12px; margin-bottom: 18px; }
.checkbox-label { display: flex; align-items: flex-start; gap: 11px; cursor: pointer; }
.checkbox-label input[type="checkbox"] { width: 17px; height: 17px; border: 2px solid rgba(255,255,255,.3); border-radius: 4px; appearance: none; background: rgba(255,255,255,.06); cursor: pointer; flex-shrink: 0; margin-top: 2px; transition: all var(--ease); }
.checkbox-label input[type="checkbox"]:checked { background: var(--secondary); border-color: var(--secondary); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='8' viewBox='0 0 11 8'%3E%3Cpath fill='%23fff' stroke='%23fff' stroke-width='0.5' d='M1 4l3 3 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; }
.checkbox-label span { font-size: 0.82rem; color: rgba(255,255,255,.72); line-height: 1.5; }
.checkbox-label a { color: var(--secondary-light); text-decoration: underline; }
.form-success { display: none; text-align: center; padding: 48px 24px; }
.form-success.show { display: block; }
.success-icon { font-size: 3.5rem; margin-bottom: 16px; }
.form-success h3 { color: var(--white); font-size: 1.4rem; margin-bottom: 10px; }
.form-success p { color: rgba(255,255,255,.62); font-size: 0.9rem; }

/* === Legal === */
.legal-section { background: #080C16; color: var(--white); padding: 72px 0; }
.legal-header { margin-bottom: 44px; padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.07); }
.legal-header h2 { color: var(--white); font-size: 1.3rem; margin-bottom: 10px; }
.legal-header p { color: rgba(255,255,255,.4); font-size: 0.82rem; }
.legal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.legal-block { padding: 22px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius-md); }
.legal-block h3 { font-size: 0.7rem; color: var(--secondary); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 10px; }
.legal-block p { font-size: 0.8rem; color: rgba(255,255,255,.45); line-height: 1.75; }
.legal-waiver-box { margin-top: 32px; padding: 22px; background: rgba(249,115,22,.05); border: 1px solid rgba(249,115,22,.18); border-radius: var(--radius-md); }
.legal-waiver-box p { font-size: 0.78rem; color: rgba(255,255,255,.38); line-height: 1.75; text-align: center; }

/* === Footer === */
.footer { background: #04070F; padding: 56px 0 32px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.05); margin-bottom: 28px; }
.footer-brand-name { font-size: 1.3rem; font-weight: 800; color: var(--white); margin-bottom: 10px; }
.footer-brand-name span { color: var(--secondary); }
.footer-desc { font-size: 0.82rem; color: rgba(255,255,255,.4); line-height: 1.75; margin-bottom: 12px; }
.footer-address { font-size: 0.75rem; color: rgba(255,255,255,.25); line-height: 1.6; }
.footer-col-heading { font-size: 0.72rem; font-weight: 700; color: rgba(255,255,255,.5); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,.38); font-size: 0.84rem; transition: color var(--ease); }
.footer-links a:hover { color: rgba(255,255,255,.8); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; font-size: 0.78rem; color: rgba(255,255,255,.25); }
.footer-legal { margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.07); text-align: center; }
.footer-legal p { font-size: 0.72rem; color: rgba(255,255,255,.2); line-height: 1.6; margin: 0 0 6px; }
.footer-legal a { color: rgba(255,255,255,.3); text-decoration: none; }
.footer-legal a:hover { color: rgba(255,255,255,.55); }

/* === Animations === */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* === Responsive === */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .pricing-card.featured { transform: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .project-showcase, .project-showcase.reverse { grid-template-columns: 1fr; direction: ltr; gap: 32px; }
  .project-showcase.reverse > * { direction: ltr; }
  .credentials-row { gap: 12px; }
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; position: fixed; top: 72px; left: 0; right: 0; background: rgba(10,15,30,.98); padding: 24px 32px; gap: 20px; border-bottom: 1px solid rgba(255,255,255,.07); z-index: 99; }
  .nav-toggle { display: flex; }
  .problem-grid, .story-grid, .nvidia-grid, .cert-grid, .interest-grid, .legal-grid { grid-template-columns: 1fr; gap: 40px; }
  .achievement-grid { grid-template-columns: 1fr 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero { padding: 140px 0 80px; }
  .hero-meta { gap: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .timeline-item { grid-template-columns: 90px 1fr; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .nav-container { padding: 0 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .trust-bar-inner { flex-direction: column; gap: 14px; }
  .achievement-grid { grid-template-columns: 1fr; }
  .day-tabs { flex-direction: column; }
  .interest-form { padding: 24px 18px; }
  .pricing-grid { padding: 0 4px; }
  .section { padding: 52px 0; }
  .btn-lg { padding: 15px 24px; font-size: 1rem; }
}
/* Galaxy S-series / small Android phones (360px) */
@media (max-width: 390px) {
  .container { padding: 0 14px; }
  .nav-container { padding: 0 14px; height: 60px; }
  .nav-brand-name { font-size: 1.1rem; }
  .hero { padding: 120px 0 64px; }
  h1 { font-size: clamp(1.7rem, 6vw, 3.75rem); }
  h2 { font-size: clamp(1.3rem, 5vw, 2.4rem); }
  .hero-meta { gap: 16px; }
  .hero-meta-value { font-size: 1.8rem; }
  .stat-value { font-size: 2.2rem; }
  .day-tab { padding: 8px 16px; font-size: .82rem; }
  .timeline-item { grid-template-columns: 80px 1fr; gap: 14px; }
  .form-row { grid-template-columns: 1fr; }
  .interest-form { padding: 20px 14px; }
  .credential-chip { font-size: .78rem; padding: 8px 14px; }
  .project-stats { gap: 12px; }
  .project-stat-value { font-size: 1.25rem; }
  .footer-top { gap: 20px; }
}

/* === Challenge Panel (replaces stat card) === */
.challenge-panel { display: flex; flex-direction: column; gap: 24px; }
.challenge-item { display: flex; gap: 16px; align-items: flex-start; padding: 20px; background: var(--gradient-card); border: 1px solid rgba(109,40,217,.1); border-radius: var(--radius-md); }
.challenge-icon { font-size: 1.5rem; flex-shrink: 0; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; background: rgba(109,40,217,.08); border-radius: var(--radius-sm); }
.challenge-text strong { display: block; font-size: 0.95rem; color: var(--dark); margin-bottom: 4px; }
.challenge-text p { font-size: 0.82rem; line-height: 1.6; color: var(--gray-500); margin: 0; }

/* === Pricing Note === */
.pricing-note { text-align: center; font-size: 0.82rem; color: var(--gray-500); margin-top: 24px; line-height: 1.6; max-width: 700px; margin-left: auto; margin-right: auto; }

/* === Legal Summary Grid === */
.legal-summary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.legal-waiver-cta { margin-top: 36px; padding: 28px; background: rgba(109,40,217,.08); border: 1px solid rgba(109,40,217,.2); border-radius: var(--radius-md); text-align: center; }
.legal-waiver-cta p { color: rgba(255,255,255,.6); font-size: 0.875rem; }

@media (max-width: 768px) {
  .legal-summary-grid { grid-template-columns: 1fr; }
}